53222130 has 128 divisors (see below), whose sum is σ = 156038400. Its totient is φ = 12828672.

The previous prime is 53222129. The next prime is 53222131. The reversal of 53222130 is 3122235.

53222130 is a `hidden beast` number, since 532 + 2 + 2 + 130 = 666.

53222130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53222129) and next prime (53222131).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 206962 + ... + 207218.

It is an arithmetic number, because the mean of its divisors is an integer number (1219050).

Almost surely, 2^53222130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53222130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78019200).

53222130 is an abundant number, since it is smaller than the sum of its proper divisors (102816270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53222130 is a wasteful number, since it uses less digits than its factorization.

53222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 53222130 is about 7295.3498887990. The cubic root of 53222130 is about 376.1526136550.

Adding to 53222130 its reverse (3122235), we get a palindrome (56344365).

The spelling of 53222130 in words is "fifty-three million, two hundred twenty-two thousand, one hundred thirty".